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(Click for frequent words.) 67 cirrus 66 cumulus clouds 64 cirrus cloud 64 stratus clouds 64 jet contrails 63 Rossby waves 63 aerosol particles 63 altocumulus 62 contrails 61 noctilucent clouds 61 cumulus cloud 61 stratocumulus clouds 61 mesosphere 60 Contrails 60 Saharan dust 60 convective 60 water vapor 60 polar latitudes 60 albedo 59 upper troposphere 59 convective clouds 59 troposphere 59 tropospheric 59 temperature inversions 59 aerosol concentrations 58 temperature inversion 58 cosmic ray flux 58 Noctilucent clouds 58 lenticular clouds 58 atmospheric haze 58 cumulonimbus 58 polar vortex 57 cumulous clouds 57 downwelling 57 tropopause 57 chromosphere 57 midlatitudes 57 vorticity 57 clouds 57 mid latitudes 57 atmospheric moisture 56 polar stratospheric 56 extratropical cyclones 56 cumulus 56 northwesterly flow 56 energetic electrons 56 deep convective clouds 56 phytoplankton blooms 56 wispy cirrus clouds 56 galactic cosmic rays 56 surface temperatures SSTs 56 midlatitude 55 downbursts 55 ejecta 55 vortices 55 puffy cumulus clouds 55 moon Mimas 55 volcanic plumes 55 anticyclonic 55 ocean eddies 55 polar caps 55 mesocyclone 55 updrafts 55 atmospheric aerosols 55 aerosols 54 sulfate aerosols 54 isobars 54 Martian dust 54 condensation nuclei 54 cloud condensation nuclei 54 Cosmic rays 54 yardangs 54 smoggy atmosphere 54 mantle plumes 54 solar minima 54 Orionid 54 gamma ray flashes 54 Meteor showers 54 rainbands 54 accretion disks 54 icy moons 54 astronomical tides 54 spicules 54 Dust devils 54 Orionids 53 silicate dust 53 sulphate particles 53 sunspot activity 53 rime ice 53 microbursts 53 exosphere 53 chlorine monoxide 53 photosphere 53 sulphate aerosols 53 earthshine 53 clouds obscuring 53 anomalously warm 53 upwellings 53 protoplanetary disks 53 Earth orbiting satellites 53 atmospheric phenomena 53 cryovolcanism 53 AIRS instrument 53 brownish haze 53 interstellar clouds 53 interannual variability 53 Geminid 53 mesospheric 53 ionosphere 53 zodiacal light 53 X ray wavelengths 53 Geminid shower 53 anticyclones 53 thunderclouds 53 Venusian atmosphere 53 graupel 53 Saturnian moons 53 Madden Julian Oscillation 53 airglow 53 TRMM satellite 53 polar mesospheric clouds 53 olivine mineral 53 volcanic plume 52 radar altimetry 52 ice crystals 52 flood basalts 52 Quadrantid 52 Imaging Spectroradiometer MODIS instrument 52 cumulonimbus cloud 52 atmospheric turbulence 52 permanently shadowed regions 52 Waterspouts 52 molten droplets 52 relativistic particles 52 Vertical wind shear 52 solar corona 52 moonlets 52 HII regions 52 tropospheric ozone 52 X ray emission 52 proplyds 52 MODIS 52 cloudiness 52 KBOs 52 filamentary 52 inversion layer 52 airmass 52 ionised gas 52 filamentary structure 52 cosmic ray intensity 52 foehn 52 infrared imagery 52 jovian 52 Cloudiness 52 sundog 52 cometary debris 52 smoggy haze 52 advection 52 coronal holes 52 Saturnian moon 52 temperature gradient 52 wind shear 52 irradiance 52 Saturn magnetosphere 51 surface hoar 51 situ measurements 51 mesoscale 51 emittance 51 Quadrantids 51 El Niños 51 molten magma 51 polarimetry 51 fainter objects 51 volcanic aerosols 51 leeward slopes 51 GJ #b [002] 51 carbonate minerals 51 Digitized Sky Survey 51 teleconnections 51 specular reflection 51 steering currents 51 comet Tempel Tuttle 51 Saturn moon Enceladus 51 Ulysses spacecraft 51 thermal inertia 51 dynamical processes 51 radiative cooling 51 TGFs 51 satellite altimetry 51 moisture condenses 51 La Niñas 51 puffy clouds 51 volcanic ashes 51 northerly latitudes 51 lunar crust 51 auroral activity 51 dewpoints 51 La Niña pattern 51 magnetospheric 51 comets orbiting 51 basaltic rocks 51 megacryometeor 51 wake vortices 51 spherules 51 hoarfrost 51 Saturn rings 51 temporal variability 51 Eta Aquarid meteor shower 51 albedo feedback 51 southern latitudes 51 Carefully cautiously 51 tropical latitudes 51 obscuration 51 ultraviolet wavelengths 51 Orionid meteors 51 axial tilt 51 Strong northerly winds 51 vertical wind shear 51 katabatic winds 51 Scattered clouds 51 ENSO cycle 51 CO2 fluxes 51 dirty snowballs 51 greenhouse warming 51 atmospheric circulations 51 equatorial regions 51 icy crust 51 convection currents 51 hoar frost 51 Comet Tempel Tuttle 51 Rayleigh scattering 51 silicates 51 cyclonic circulations 51 faint galaxies 51 Mercury exosphere 51 Syrtis Major 51 thin cirrus clouds 51 towering cumulus 50 nimbus clouds 50 NASA Aqua 50 variably cloudy 50 upper tropospheric 50 thermosphere 50 galactic disk 50 infrared wavelength 50 Amundsen Sea 50 zodiacal dust 50 relative humidities 50 tiny airborne particles 50 dust devils 50 atmospheric 50 NASA QuikScat satellite 50 tholins 50 Saturn moon Mimas 50 Veniaminof 50 crustal thickness 50 circumstellar 50 longwave radiation 50 constellation Perseus 50 Saharan Dust 50 colder drier 50 Advanced Microwave Scanning 50 planetary magnetospheres 50 carbon dioxide concentrations 50 radiosondes 50 atmospheric convection 50 ultracold atoms 50 lava eruptions 50 heaviest accumulations 50 IR wavelengths 50 moonlet 50 ozone depletion 50 auroral 50 Tropical cyclones 50 photochemical reactions 50 subsurface ocean 50 erupt explosively 50 reflection nebula 50 geostationary orbits 50 ozone concentrations 50 Arctic oscillation 50 millibar 50 NASA Atmospheric Infrared 50 oxidized mercury 50 equatorial latitudes 50 thunderheads 50 graphite whiskers 50 northwesterly winds 50 aurorae 50 highly collimated 50 melting snowpacks 50 electromagnetic flux 50 precipitation 50 subtropics 50 retrograde orbit 50 supercooled liquid 50 warmer wetter winters 50 windward slopes 50 coronal loops 50 Gravitational waves 50 La Ninas 50 Diviner instrument 50 Alfven waves 50 El Nino Southern Oscillation 50 ice nucleation 50 filamentary structures 50 geomagnetic activity 50 martian atmosphere 49 Relative humidity 49 Imaging Spectroradiometer MODIS 49 equatorial Pacific Ocean 49 Kuiper Belt Objects 49 prominences 49 reflectivity 49 Ultraviolet rays 49 atmospheric chemistry 49 microphysics 49 Geminid meteors 49 ionospheric 49 snowcover 49 seasonably mild 49 Atlantic Multidecadal Oscillation AMO 49 planetary nebulae 49 sediments deposited 49 anthropogenic aerosols 49 sunlike stars 49 refractive indices 49 heavily cratered 49 UV photons 49 latitudes 49 jet stream 49 Svaliava 49 ultraviolet UV radiation 49 poleward 49 RHESSI 49 Quadrantid meteor shower 49 prevailing westerly winds 49 Mission TRMM satellite 49 auroral displays 49 visible wavelengths 49 soot particles 49 towering thunderheads 49 submillimeter 49 salinities 49 De Pontieu 49 ionized hydrogen 49 barometric pressures 49 patchy drizzle 49 constellation Gemini 49 Jupiter moons Europa 49 meteoroids 49 baryon acoustic oscillations 49 Southerly winds 49 gusty northwest 49 spherically symmetric 49 hydrated minerals 49 low relative humidities 49 convection 49 Composite Infrared Spectrometer 49 chemtrails 49 dust particles 49 predawn sky 49 El Niño winters 49 air advection 49 oceanic circulation 49 metallicity 49 crustal rocks 49 lunar perigee 49 basaltic lava 49 Io volcanoes 49 Lyman alpha 49 reflectance 49 microphysical 49 Doppler shifts 49 hummocks 49 galactic halo 49 solar irradiance 49 interstellar dust grains 49 cryosphere 49 Hellas Basin 49 magnetic substorms 49 SSTs 49 orographic 49 jarosite 49 crystalline silicates 49 tidally 49 towering cumulus clouds 49 solar prominences 49 Swift Tuttle 49 landfalling hurricanes 49 dry airmass 49 sun ultraviolet radiation 49 waterspouts 49 infrared radiation 49 planetary orbits 49 elongated orbits 49 Leonid shower 49 sulphates 49 chlorophyll concentrations 49 radiative forcing 49 X ray pulses 49 phyllosilicates 49 albedo reflectivity 49 Wind shear 49 glacial melt 49 thunderhead 49 Bill Borucki Kepler 49 explosive eruptions 49 stellar occultations 49 Velicogna 49 Tempel Tuttle 49 Southern Oscillation 49 elemental abundances 49 vapor trails 48 water vapor condenses 48 Microbursts 48 hydrosphere 48 windblown sand 48 meridional 48 Pastelok 48 backscattered 48 Lyrids 48 hematite mineral 48 cratered highlands 48 Bose Einstein condensate BEC 48 carbonaceous chondrites 48 Total Ozone Mapping 48 Chemtrails 48 -# degrees Fahrenheit [002] 48 cloudcover 48 Milankovitch cycles 48 yellowish orange 48 GZK cutoff 48 Iridium satellites 48 PAH concentrations 48 reduce visibilities 48 Bose Einstein condensates 48 tropical troposphere 48 Ontario Lacus 48 anthropogenic carbon dioxide 48 Moderate Resolution 48 Leonid meteors 48 hydrological cycle 48 RealFeel ® temperatures 48 waning crescent 48 Helix Nebula 48 sunrays 48 Polar Regions 48 HD#b 48 dusty disks 48 Cosmic Microwave Background 48 impactors 48 reddish glow 48 showery rain 48 silicate rocks 48 ionized particles 48 electron density 48 AccuWeather.com RealFeel ® 48 northern latitudes 48 periodicities 48 occultations 48 CMB radiation 48 duststorms 48 cosmic rays 48 vapor plume 48 polar regions 48 Iapetus 48 olivines 48 scatterometer 48 ionised 48 northern arctic plains 48 ITCZ 48 olivine 48 ionized gases 48 planet magnetosphere 48 Gerald Meehl 48 volcanic dust 48 Arsia Mons 48 shadowed craters 48 distant supernovae 48 Corot 9b 48 Infrared Pathfinder Satellite 48 interglacial periods 48 produce colorful auroras 48 hydrocarbon haze 48 icy comets 48 photochemical smog 48 noble gases 48 upper elevations 48 airborne particulate matter 48 droplet nuclei 48 Warmer oceans 48 volcanic lava flows 48 meteoroid 48 comet nuclei 48 ridging 48 westerly winds 48 Sunspots 48 Miketta 48 haloes 48 Grímsvötn volcano 48 Moderate Resolution Imaging 48 Josefino Comiso 48 Doppler shift 48 Corona Australis 48 atmospheric oceanic 48 galactic bulge 48 tropical cyclones 48 stratospheric clouds 48 Kuiper belt objects 48 El Ninos 48 fainter meteors 48 Westerly winds 48 magma ocean 48 overlying layers 48 clouds scud 48 iron oxides 48 NSIDC 48 thermal gradient 48 hurricane eyewall 48 planets orbits 48 Enceladus 48 Advanced Synthetic Aperture 48 Perseus constellation 48 Grímsvötn 48 Leonid meteor 48 liquid ethane 48 Perseid meteors 48 astrophysical objects 48 Vastitas Borealis 48 lavas 48 Nitrogen oxides 48 Jupiter magnetosphere 48 moonquakes 48 Meridiani 48 cosmological distances 48 waxing gibbous moon 48 gamma rays emitted 48 landforms 48 droplets 48 intrinsic brightness 48 Explosive eruptions 48 Oort cloud 48 fissure eruption 48 THz radiation 48 suns rays 48 ultraviolet sunlight 48 stratocumulus 47 Perseids 47 helicity 47 humidities 47 sulfide minerals 47 Reiner Gamma 47 optical wavelengths 47 waning gibbous moon 47 Geminids 47 dewpoint temperature 47 atmospheric CO2 levels 47 atmospheric circulation 47 sub tropic 47 microwave radiation 47 Muchachos Observatory 47 GALEX 47 patchy clouds 47 UVIS 47 parabolic arcs 47 gravitational lens 47 silicon monoxide 47 shorter wavelengths 47 meteorite impacts 47 Jupiter moon Io 47 Expect partly cloudy 47 X ray binaries 47 dense clumps 47 Encke gap 47 hydroxyl radicals 47 humid airmass 47 Foro Italico gusty winds 47 Ultraviolet radiation 47 La Nina pattern 47 chlorine peroxide 47 magnetic monopoles 47 snowsquall 47 Valles Marineris 47 oxygen isotopes 47 emitted photons 47 9NEWS Meteorologist Marty Coniglio 47 Today Mostly sunny 47 System #L 47 polar craters 47 periodic dimming 47 precip 47 solar nebula 47 micro meteorites 47 afterglows 47 constellation Eridanus 47 NASA satellites orbiting 47 altocumulus clouds 47 cumulonimbus clouds 47 Spectroradiometer 47 blazar 47 X ray emitting 47 elliptical orbits 47 Gas hydrates 47 supercell storms 47 multi decadal 47 cyclonic circulation 47 Cassini flyby 47 GeoSAR 47 magnetosphere 47 thermal gradients 47 spiral nebulae 47 lunar equator 47 coronal mass ejections CMEs 47 Galilean satellites 47 chlorophyll fluorescence 47 coccolithophores 47 McMurdo Dry Valleys 47 sunnier spells 47 glacial silt 47 gravitational redshift 47 pyroxene 47 sulfuric acid droplets 47 polar orbiting satellites 47 RS Ophiuchi 47 storminess 47 Cloud Aerosol Lidar 47 outer corona 47 Svensmark 47 Earth ionosphere 47 supersymmetric particles 47 radiational cooling 47 permanently shadowed craters 47 stratospheric ozone depletion 47 sulfate aerosol 47 faint wisps 47 Lightning flickered 47 Mimas 47 martensite 47 stellar nurseries 47 poleward shift 47 annealing temperature 47 ridges 47 Einar Kjartansson geophysicist 47 Antarctic stratosphere 47 Measuring Mission TRMM 47 blocks harmful ultraviolet 47 Solar TErrestrial RElations Observatory 47 eyewall 47 gamma ray emission 47 faceted crystals 47 faint meteors 47 cyclonic storms 47 sticky mucous 47 W boson 47 Aqua satellite 47 tornadic thunderstorm 47 wispy clouds 47 subtropical regions 47 equatorial waters 47 glacial melting 47 geothermal gradient 47 KT boundary 47 Higgs bosons 47 cosmic ray particles 47 ionized gas 47 supercell 47 Nitrogen dioxide 47 spectral fingerprint 47 mineral hematite 47 hydroxyl molecules 47 spacecraft flyby 47 nebulas 47 gravitational lensing 47 moons Europa 47 merging galaxies 47 patchy dense fog 47 Infrared Thermal Imaging Spectrometer 47 distant quasars 47 airborne particles 47 volcanic eruptions 47 VIRTIS 47 antineutrinos 47 electrons protons 47 ultraviolet wavelength 47 laser altimeter 47 atmospheric disturbances 47 Warmer climates 47 windshear 47 penetrating radar 47 meteoroid impacts 47 Aqua satellites 47 gaseous methane 47 Martian dunes 47 nonpolar 47 gravitational interactions 47 Oort Cloud 47 Candor Chasma 47 circumstellar disks 47 slender crescent 47 volcanic gases 47 pyroclastic 47 Neptune Uranus 47 Agulhas Current 47 gaseous planets 47 sun irradiance 47 ambassador Bob McDavitt 47 vegetation greenness 47 Astrophysical 47 planetary surfaces 47 ARPES 47 Icelandic volcano spitting 47 Northerly winds 47 spatially resolved 47 heat indicies 47 montane 47 ocean upwelling 47 monsoonal moisture 47 temperature gradients 46 swirling vortices 46 MODIS instrument 46 Atlantic Multidecadal Oscillation 46 HiRISE image 46 AERONET 46 moon Dione 46 asthenosphere 46 muons 46 helium atoms 46 supercells 46 meteor showers 46 Great Conveyor Belt 46 NCAR scientist 46 emits X rays 46 magnetic reconnection 46 nebulae 46 magnetotail 46 Cassini flybys 46 hot Jupiters 46 ultra violet rays 46 helium ions 46 Ring Nebula 46 phytoplankton biomass 46 gaseous planet 46 protostars 46 Siple Dome 46 forecaster Helen Chivers 46 nonmetallic honeycomb structures 46 calderas 46 tectonic uplift 46 interstellar dust 46 supergiant stars 46 habitable zones 46 auroras 46 stellar occultation 46 sunglint 46 UV radiation 46 Mud volcanoes 46 subglacial 46 fall webworms 46 climatic variations 46 ocean basins 46 lava flows 46 Comet Encke 46 oxygen isotope ratios 46 convective storms 46 northeasterly winds 46 Martian craters 46 bluish tint 46 Alaskan glaciers 46 Saturn outermost 46 volcanoes erupt 46 foggy mornings 46 Min temp 46 lithosphere 46 micron wavelengths 46 thunder squalls 46 Pleiades star 46 moulins 46 chondrules 46 dust mote 46 isotopic ratios 46 Extrasolar planets 46 subtropical cyclone 46 gravitational interaction 46 Interferometric Synthetic Aperture Radar 46 Tropical depressions 46 APXS 46 active galactic nucleus 46 Magellanic Clouds 46 ionized molecules 46 Comet Hartley 46 oppositely directed 46 luminosities 46 AMSR E 46 interstellar boundary 46 Trifid Nebula 46 lava domes 46 polar icecap 46 humidex values 46 CloudSat 46 giant elliptical galaxies 46 freezing fog 46 collisional 46 virga 46 VY Canis Majoris 46 ultra violet radiation 46 subalpine meadows 46 molten rocks 46 anthropogenic greenhouse gases 46 spontaneously ignite 46 ecliptic plane 46 diffraction patterns 46 total solar irradiance 46 Uninhabited Aerial Vehicle 46 clouds scudding across 46 glassy coating 46 silvery scales 46 FORK Water 46 sparticles 46 Petoukhov 46 sun corona 46 Comet Halley 46 blazars 46 Fomalhaut b 46 radially outward 46 basaltic 46 ultraviolet radiation emitted 46 waxing crescent moon 46 particulates 46 galaxy redshift 46 nightglow 46 red supergiants 46 Spectroradiometer MODIS 46 GCMs 46 ultrashort pulses 46 proto planetary disks 46 Martian gullies 46 Klekociuk 46 Bok globules 46 Infrared imagery 46 plane airspeed sensors 46 Terra Meridiani 46 Mercury magnetosphere 46 permafrost degradation 46 sun UV rays 46 clathrates 46 sodium atoms 46 acrid smelling smoke 46 Hellas Planitia 46 waning gibbous 46 southerly winds 46 radiative 46 meteors 46 COROT 7b 46 mesoscale convective 46 geologist Jennifer Adleman 46 infrared satellite imagery 46 neutron spectrometer 46 circumstellar dust 46 Heavier snowfall 46 accretion disk 46 Type Ia supernovas 46 equatorial Pacific 46 Meteor Shower 46 bosonic 46 AGNs 46 Northwesterly winds 46 spaceweather.com 46 cooler drier 46 Impervious surfaces 46 Sulfur dioxide 46 coppery color 46 axions 46 TODAY 'S FORECAST 46 TONIGHT Partly cloudy 46 Hot Jupiters 46 ICESat 46 NEXRAD radar 46 receding glaciers 46 gustnado 46 iridescence 46 CarbonTracker 46 gravitational acceleration 46 CO2 concentrations 46 Mpc 46 Taurids 46 harmful ultraviolet 46 atmospheric pollutants 46 ultrasonic humidifiers 46 purplish brown 46 Galilean moons 46 magmas 46 dense canopy 46 Saturn moon 46 tropical moisture 46 plasmasphere 46 La Nina cooling 46 speleothems 46 foreground galaxy 46 eclipsing binaries 46 frazil ice 46 volcanic basalt 46 snowshowers 46 smoke plumes 46 W bosons 46 evanescent waves 46 SST anomalies 46 NASA CloudSat 46 Morshyn 46 ejecta curtain created 46 circularly polarized light 46 nighttime lows 46 Normalized Difference Vegetation 46 luminous galaxies 46 Pleiades cluster 46 pinkish glow 46 planetary nebula 46 ultraviolet UV rays 46 Bug Nebula 46 nanobubbles 46 northwesterlies 46 aeolian 46 Otto Bliesner 46 La Nià ± 46 pinon pines 46 meridional flow 46 cinder cones 46 Gamma rays 46 Barometric pressure 46 auroral oval 46 alpenglow 46 interstellar cloud 46 emit X rays 46 substorm 46 Subduction zones 46 mantle convection 46 misty fog 46 constellation Aquarius 46 cloud microphysics 46 backscattering 46 TRMM Microwave Imager TMI 46 plume 46 downburst winds 46 Spitzer infrared spectrograph 46 YORP effect 46 Taurid 46 spatial scales 46 Jovian planets 46 cosmic radiation 46 cosmic ray 46 geologically active 46 photochemical reaction 46 contrail 46 Spiral galaxies 46 blue supergiant 45 mistiness 45 Particulates 45 Puget Sound lowlands 45 QCLs 45 supercell thunderstorms 45 Plains northeastward 45 transiting planets 45 baryonic matter 45 comet Lulin 45 Pavonis Mons 45 nightside 45 tornadic activity 45 Pancam 45 Geminids meteor shower 45 brightnesses 45 tornadic thunderstorms 45 Kuiper Belt objects 45 hazy skies 45 ionospheric disturbances 45 Tropical Storm Neki 45 binary asteroid 45 Sounder AIRS instrument 45 submillimeter galaxies 45 antiprotons 45 geomagnetic storms 45 Cancri e 45 TrES 4 45 deepwater corals 45 oxygen isotope 45 astronomical objects 45 Evolution Explorer 45 Turbidity 45 Leonids 45 peridotites 45 carbon fluxes 45 advanced argillic alteration 45 Equatorial Pacific 45 aurora 45 supernova explosions 45 volcanic tuff 45 reddish hue 45 P/# A2 45 sunspot numbers 45 Saturnian